问题标题：
WhattheanswershouldIfillin……Question:EachnewtermintheFibonaccisequenceisgeneratedbyaddingtheprevioustwoterms.Bystartingwith1and2,thefirst10termswillbe:1,2,3,5,8,13,21,34,55,89,...ByconsideringthetermsintheFibon
问题描述：
WhattheanswershouldIfillin……
Question:EachnewtermintheFibonaccisequenceisgeneratedbyaddingtheprevioustwoterms.Bystartingwith1and2,thefirst10termswillbe:
1,2,3,5,8,13,21,34,55,89,...
ByconsideringthetermsintheFibonaccisequencewhosevaluesdonotexceedfourmillion,findthesumoftheeven-valuedterms.
Iworkedoutallthepossibleanswers,butIdon'tknowwhichIshouldfillin.Ican'taccuratelyunderstandthelastsentence.
黄远灿回答：
Findthesumofalltheevennumbersequalorlessthan4million.Example,2+8+34+.+4000000Ithinkthereisaformulaforthis.Answershoudbe8613732.
潘山回答：
NowIfilledinarigntanswer.Notincludingfourmillion.Thankyouanyway.
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